package idv.loveloser.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * MdlGroupingsGroups entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see idv.loveloser.dao.MdlGroupingsGroups
 * @author MyEclipse Persistence Tools
 */

public class MdlGroupingsGroupsDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(MdlGroupingsGroupsDAO.class);
	// property constants
	public static final String GROUPINGID = "groupingid";
	public static final String GROUPID = "groupid";
	public static final String TIMEADDED = "timeadded";

	public void save(MdlGroupingsGroups transientInstance) {
		log.debug("saving MdlGroupingsGroups instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(MdlGroupingsGroups persistentInstance) {
		log.debug("deleting MdlGroupingsGroups instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public MdlGroupingsGroups findById(java.lang.Long id) {
		log.debug("getting MdlGroupingsGroups instance with id: " + id);
		try {
			MdlGroupingsGroups instance = (MdlGroupingsGroups) getSession()
					.get("idv.loveloser.dao.MdlGroupingsGroups", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(MdlGroupingsGroups instance) {
		log.debug("finding MdlGroupingsGroups instance by example");
		try {
			List results = getSession()
					.createCriteria("idv.loveloser.dao.MdlGroupingsGroups")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding MdlGroupingsGroups instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from MdlGroupingsGroups as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByGroupingid(Object groupingid) {
		return findByProperty(GROUPINGID, groupingid);
	}

	public List findByGroupid(Object groupid) {
		return findByProperty(GROUPID, groupid);
	}

	public List findByTimeadded(Object timeadded) {
		return findByProperty(TIMEADDED, timeadded);
	}

	public List findAll() {
		log.debug("finding all MdlGroupingsGroups instances");
		try {
			String queryString = "from MdlGroupingsGroups";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public MdlGroupingsGroups merge(MdlGroupingsGroups detachedInstance) {
		log.debug("merging MdlGroupingsGroups instance");
		try {
			MdlGroupingsGroups result = (MdlGroupingsGroups) getSession()
					.merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(MdlGroupingsGroups instance) {
		log.debug("attaching dirty MdlGroupingsGroups instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(MdlGroupingsGroups instance) {
		log.debug("attaching clean MdlGroupingsGroups instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}